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Tag Archives: galaxies

Black holes slow down the growth of dwarf galaxies – astronomers are surprised by 2,000,000 mph of wind

NGC1569 is a star formation galaxy. Credit: HST / NASA / ESA UC Riverside astronomers note that large winds associated with active black holes in small galaxies suppress star formation. Black holes in the centers of dwarf galaxies have a significant impact on their evolution Galaxies by suppressing star formation. Dwarf galaxies are small galaxies that contain between 100 million …

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Our starving galaxy is stealing ever smaller galaxies

Big Thief Circling is self-evident in our universe. The earth orbits the sun, the moon orbits the earth, and more than 50 galaxies orbit the Milky Way, the largest of which is the Great Magellanic Cloud. New research suggests that at least six of the galaxies are currently orbiting the Milky Way. The Milky Way actually circled the Great Magellanic …

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Apparently, the Andromeda galaxy is a monstrous cannibal that eats smaller galaxies

M31, the Andromeda Galaxy, with its companion galaxies. VW Pics The Andromeda Galaxy is officially a monster. Astronomers studying our neighbors have discovered that the huge spiral galaxy certainly has a cannibalistic past. Andromeda has devoured galaxies twice smaller in the last 10 billion years, but the way they were devoured confused astronomers. Our galaxy is warped and twisted but …

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How did galaxies like ours originate?

On a clear night, the starry sky is a breathtaking sight when the conditions are just right and not much light obscures the view. If you live in a rural area or just take a break from life in the city, you can see a sky full of stars. You may even see a band of light over the sky, …

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Galaxies become quasars – Astronomy Now

Astronomers have usually found mild LINER galaxies in the process of being transformed into voracious quasars, as shown in the artist's rendering on the right. Credit: ESA / Hubble, NASA and S. Smartt (Queen's University Belfast (left), NASA / JPL-Caltech (right) galaxies are such huge structures that they make big changes in extreme periods galaxies, which suddenly turned into insatiable …

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Something kills the most extreme galaxies in the universe

Galaxies are killed in the most extreme regions of the universe. Their star formation is turned off and astronomers want to know why. The first Canadian-led major project with one of the world's leading telescopes hopes to do just that. The new program called Virgo Environment Traced in Carbon Monoxide Survey (VERTICO) examines in brilliant detail how galaxies are killed …

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Six galaxies conquered by sudden, dramatic transitions

A recent study by University of Maryland astronomers documented six drowsy, low-ionization nuclear region galaxies (LINER, top) that suddenly turn into blazing quasars (next picture below). Here is the brightest of all active galactic nuclei. The researchers suspect that they have discovered a completely new kind of black hole activity in the centers of these six LINER galaxies. Infrared and …

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The study captures six galaxies that undergo sudden, dramatic transitions

A new study, conducted by University of Maryland astronomers, documented six drowsy, low ionization galaxies around the nuclear emission lines (LINER, left) that suddenly turn into blazing quasars (right), home to the brightest of all active galaxies galactic nuclei. The researchers suspect that they have discovered a completely new kind of black hole activity in the centers of these six …

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